\[\boxed{\mathbf{795}\mathbf{.}}\]
\[y = x^{2}\ \]
\[y^{'}(x) = 2 \bullet x^{2 - 1} = 2x\]
\[y = x^{3}\]
\[y^{'}(x) = 3 \bullet x^{3 - 1} = 3x^{2}\]
\[y = x^{\frac{1}{2}} = \sqrt{x}\]
\[y^{'}(x) = \frac{1}{2\sqrt{x}}.\]
\[Ответ:\ \ y = x^{3}.\]